We, jingjiang top far international trading co., ltd(www dot chinatopfar dot com), can supply marine calorifier, hot-water tank, dring water foundation as below: The calorifier(hot-water tank) can supply hot water for crew on board vessel. Steam hot water tank, electric hot-water tank etc. It will be supplied with water pump,electric control box and water tank equipped. Please feel free to contact with us for inquiry: info AT chinatopfar DOT com